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參數(shù)資料
| 型號： | MAX3816ACUE+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 17/18頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC I2C 2WIRE EXTENDER 16-TSSOP |
| 產(chǎn)品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 2,500 |
| 類型： | 擴展件 |
| 應用： | HD 顯示器，DVI/HDMI |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 16-TSSOP（0.173"，4.40mm 寬） |
| 供應商設備封裝： | 16-TSSOP |
| 包裝： | 帶卷 (TR) |
MAX3816A
I2C 2-Wire Extender for DDC in DVI,
HDMI, and VGA Interfaces
8
_______________________________________________________________________________________
LOW
STATE
HIGH
STATE
CLOCK_D > 17.5% AND CLOCK_C > 12.5%
CLOCK_C “OR” CLOCK_D < 75%
NOTES:
1) STATE CHANGE CONDITIONS ARE IN ITALICS. TRANSITION ACTIONS ARE UNDERLINED.
2) THE DATA CHANNEL STATE MACHINE IS IDENTICAL AND SYMMETRIC, EXCEPT THAT HOLDOFF TIME IS 2.0
μs INSTEAD OF 2.5μs.
ALSO, IN ADDITION TO THE 85% CONDITION TO EXIT STATE 6, DATA HAS AN ADDITIONAL EXIT: DATA_C “OR” DATA_D < 60%.
3) DEPENDENT ON MODE PIN 16: MODE = LOW FOR SERIAL OPERATION (DRIVERS HOLD); MODE = HIGH FOR PARALLEL OPERATION (DRIVERS OFF).
HOLDOFF TIMER = START
5
SENSE OFF
DRIVERS ON
6
SENSE OFF
DRIVERS OFF
4
SENSE ON
(NOTE 3)
RAMP
UP
RAMP
DOWN
3
SENSE OFF
(NOTE 3)
1
SENSE ON
DRIVERS OFF
2
SENSE OFF
DRIVERS ON
HOLDOFF TIMER = 1.75 s
μ
HOLDOFF TIMER = 1.75 s
μ
HOLDOFF TIMER
≥ 2.5 s
“AND”
CLOCK_C “AND” CLOCK_D > 85%
μ
HOLDOFF TIMER = 2.5 s
μ
Figure 1a. Clock State Machine Diagram
Locally, connect a 47k
Ω pullup resistor from CLOCK_C
and DATA_C to VCC. This assumes that a 1.65k
Ω
pullup resistor resides at the opposite end of each
channel.
Display Drivers
The display drivers (Figure 11) are typical open-drain
pulldown devices capable of discharging up to 400pF
of capacitive load within the I2C fall-time limits.
Locally, connect a 2.2k
Ω pullup resistor from CLOCK_D
and DATA_D to VDD for VDD = 3.3V, or a 3.3k
Ω pullup
resistor to VDD for VDD = 5V.
Level Sense
The MAX3816A’s level-sensing circuitry monitors the
incoming data for state transitions. When the CLOCK or
DATA signal is high and drops below VTRIGIH, the con-
troller ramps the outputs low. When the DATA and
CLOCK are low and both rise above VTRIGIL, refer-
enced to GND_REF on the source side or VSS on the
display side, the output drives the level high.
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MAX3816CUE+ | 功能描述:I2C 接口集成電路 TMDS Digi Video EQ for HDMI/DVI Cables RoHS:否 制造商:NXP Semiconductors 電源電壓-最大:5.5 V 電源電壓-最小:2.3 V 最大工作頻率:400 KHz 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-16 |
| MAX3816CUE+T | 功能描述:I2C 接口集成電路 TMDS Digi Video EQ for HDMI/DVI Cables RoHS:否 制造商:NXP Semiconductors 電源電壓-最大:5.5 V 電源電壓-最小:2.3 V 最大工作頻率:400 KHz 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-16 |
| MAX381BCPE | 功能描述:模擬開關 IC RoHS:否 制造商:Texas Instruments 開關數(shù)量:2 開關配置:SPDT 開啟電阻（最大值）:0.1 Ohms 切換電壓（最大）: 開啟時間（最大值）: 關閉時間（最大值）: 工作電源電壓:2.7 V to 4.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:DSBGA-16 |
| MAX381BCSE | 功能描述:模擬開關 IC RoHS:否 制造商:Texas Instruments 開關數(shù)量:2 開關配置:SPDT 開啟電阻（最大值）:0.1 Ohms 切換電壓（最大）: 開啟時間（最大值）: 關閉時間（最大值）: 工作電源電壓:2.7 V to 4.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:DSBGA-16 |
| MAX381BCSE-T | 功能描述:模擬開關 IC RoHS:否 制造商:Texas Instruments 開關數(shù)量:2 開關配置:SPDT 開啟電阻（最大值）:0.1 Ohms 切換電壓（最大）: 開啟時間（最大值）: 關閉時間（最大值）: 工作電源電壓:2.7 V to 4.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:DSBGA-16 |
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